1 /* mktemp.c - Create a temporary file or directory. 2 * 3 * Copyright 2012 Elie De Brauwer <eliedebrauwer (at) gmail.com> 4 * 5 * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/mktemp.html 6 7 USE_MKTEMP(NEWTOY(mktemp, ">1uqd(directory)p(tmpdir):", TOYFLAG_BIN)) 8 9 config MKTEMP 10 bool "mktemp" 11 default y 12 help 13 usage: mktemp [-dqu] [-p DIR] [TEMPLATE] 14 15 Safely create a new file "DIR/TEMPLATE" and print its name. 16 17 -d Create directory instead of file (--directory) 18 -p Put new file in DIR (--tmpdir) 19 -q Quiet, no error messages 20 -u Don't create anything, just print what would be created 21 22 Each X in TEMPLATE is replaced with a random printable character. The 23 default TEMPLATE is tmp.XXXXXX, and the default DIR is $TMPDIR if set, 24 else "/tmp". 25 */ 26 27 #define FOR_mktemp 28 #include "toys.h" 29 30 GLOBALS( 31 char *tmpdir; 32 ) 33 34 void mktemp_main(void) 35 { 36 int d_flag = toys.optflags & FLAG_d; 37 char *template = *toys.optargs; 38 39 if (!template) template = "tmp.XXXXXX"; 40 41 if (!TT.tmpdir) TT.tmpdir = getenv("TMPDIR"); 42 if (!TT.tmpdir || !*TT.tmpdir) TT.tmpdir = "/tmp"; 43 44 template = strchr(template, '/') ? xstrdup(template) 45 : xmprintf("%s/%s", TT.tmpdir, template); 46 47 if (d_flag ? !mkdtemp(template) : mkstemp(template) == -1) { 48 if (toys.optflags & FLAG_q) toys.exitval = 1; 49 else perror_exit("Failed to create %s %s/%s", 50 d_flag ? "directory" : "file", TT.tmpdir, template); 51 } else { 52 if (toys.optflags & FLAG_u) unlink(template); 53 xputs(template); 54 } 55 56 if (CFG_TOYBOX_FREE) free(template); 57 } 58
